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        Module&nbsp;geometry
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<h1 class="epydoc">Source Code for <a href="geometry-module.html">Module geometry</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment"># Copyright (c) 2009 Australian Government, Department of Environment, Heritage, Water and the Arts</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Permission is hereby granted, free of charge, to any person obtaining a copy</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># of this software and associated documentation files (the "Software"), to deal</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># in the Software without restriction, including without limitation the rights</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># copies of the Software, and to permit persons to whom the Software is</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># furnished to do so, subject to the following conditions:</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># The above copyright notice and this permission notice shall be included in</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># all copies or substantial portions of the Software.</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># THE SOFTWARE.</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-docstring">''' Geometry and dataset helper functions</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-docstring">    @todo: Does the module name I{really} describe its functions anymore?</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-docstring">           It doesn't just do geometry now...</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt><tt class="py-op">,</tt><tt class="py-name">math</tt><tt class="py-op">,</tt><tt class="py-name">warnings</tt><tt class="py-op">,</tt><tt class="py-name">tempfile</tt><tt class="py-op">,</tt><tt class="py-name">re</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-0" class="py-name" targets="Module utilities=utilities-module.html"><a title="utilities" class="py-name" href="#" onclick="return doclink('link-0', 'utilities', 'link-0');">utilities</a></tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">gdal</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">gdalconst</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">osr</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">    <tt class="py-keyword">from</tt> <tt class="py-name">osgeo</tt> <tt class="py-keyword">import</tt> <tt class="py-name">ogr</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"><tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">:</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">gdal</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">gdalconst</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">osr</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">    <tt class="py-keyword">import</tt> <tt class="py-name">ogr</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{Custom error class</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="GDALError"></a><div id="GDALError-def"><a name="L43"></a><tt class="py-lineno"> 43</tt> <a class="py-toggle" href="#" id="GDALError-toggle" onclick="return toggle('GDALError');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">class</tt> <a class="py-def-name" href="geometry.GDALError-class.html">GDALError</a><tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GDALError-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="GDALError-expanded"><a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">    <tt class="py-docstring">''' For raising GDAL related errors '''</tt> </tt>
<a name="GDALError.__init__"></a><div id="GDALError.__init__-def"><a name="L45"></a><tt class="py-lineno"> 45</tt> <a class="py-toggle" href="#" id="GDALError.__init__-toggle" onclick="return toggle('GDALError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.GDALError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">msg</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GDALError.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="GDALError.__init__-expanded"><a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">        <tt class="py-docstring">''' For raising GDAL related errors</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"><tt class="py-docstring">            @type msg: C{str}</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"><tt class="py-docstring">            @param msg: Initial message to include with GDAL the error message</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"><tt class="py-docstring">            @return None</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">        <tt class="py-name">errtype</tt><tt class="py-op">=</tt><tt class="py-op">{</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">CE_None</tt><tt class="py-op">:</tt><tt class="py-string">'None'</tt><tt class="py-op">,</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">CE_Debug</tt><tt class="py-op">:</tt><tt class="py-string">'Debug'</tt><tt class="py-op">,</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">CE_Warning</tt><tt class="py-op">:</tt><tt class="py-string">'Warning'</tt><tt class="py-op">,</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">CE_Failure</tt><tt class="py-op">:</tt><tt class="py-string">'Failure'</tt><tt class="py-op">,</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">            <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">CE_Fatal</tt><tt class="py-op">:</tt><tt class="py-string">'Fatal'</tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">        <tt class="py-op">}</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errmsg</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorMsg</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">,</tt><tt class="py-string">' '</tt><tt class="py-op">)</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errnum</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorNo</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errtyp</tt><tt class="py-op">=</tt><tt class="py-name">errtype</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorType</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">'None'</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">        <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">msg</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errmsg</tt><tt class="py-op">=</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">msg</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errmsg</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">        <tt class="py-name">Exception</tt><tt class="py-op">.</tt><tt id="link-1" class="py-name" targets="Method crawler.Crawler.__init__()=crawler.Crawler-class.html#__init__,Method formats.__dataset__.Dataset.__init__()=formats.__dataset__.Dataset-class.html#__init__,Method formats.__default__.Dataset.__init__()=formats.__default__.Dataset-class.html#__init__,Method formats.ali_hyperion.Dataset.__init__()=formats.ali_hyperion.Dataset-class.html#__init__,Method formats.alos.Dataset.__init__()=formats.alos.Dataset-class.html#__init__,Method formats.aster.Dataset.__init__()=formats.aster.Dataset-class.html#__init__,Method formats.ccrs.Dataset.__init__()=formats.ccrs.Dataset-class.html#__init__,Method formats.envi.Dataset.__init__()=formats.envi.Dataset-class.html#__init__,Method formats.esribil.Dataset.__init__()=formats.esribil.Dataset-class.html#__init__,Method formats.esrigrid.Dataset.__init__()=formats.esrigrid.Dataset-class.html#__init__,Method formats.fast_l7a.Dataset.__init__()=formats.fast_l7a.Dataset-class.html#__init__,Method formats.nitf.Dataset.__init__()=formats.nitf.Dataset-class.html#__init__,Method formats.quickbird.Dataset.__init__()=formats.quickbird.Dataset-class.html#__init__,Method formats.spot_cap.Dataset.__init__()=formats.spot_cap.Dataset-class.html#__init__,Method formats.spot_dimap.Dataset.__init__()=formats.spot_dimap.Dataset-class.html#__init__,Method geometry.GDALError.__init__()=geometry.GDALError-class.html#__init__,Method geometry.ShapeWriter.__init__()=geometry.ShapeWriter-class.html#__init__,Method progresslogger.ProgressBarView.__init__()=progresslogger.ProgressBarView-class.html#__init__,Method progresslogger.ProgressLogger.__init__()=progresslogger.ProgressLogger-class.html#__init__,Method progresslogger.ProgressLoggerChecker.__init__()=progresslogger.ProgressLoggerChecker-class.html#__init__,Method progresslogger.ProgressLoggerGUI.__init__()=progresslogger.ProgressLoggerGUI-class.html#__init__,Method progresslogger.ProgressLoggerHandler.__init__()=progresslogger.ProgressLoggerHandler-class.html#__init__,Method progresslogger.ProgressLoggerServer.__init__()=progresslogger.ProgressLoggerServer-class.html#__init__,Method runcrawler.Command.__init__()=runcrawler.Command-class.html#__init__,Method runcrawler.GetArgs.__init__()=runcrawler.GetArgs-class.html#__init__,Method runtransform.Command.__init__()=runtransform.Command-class.html#__init__,Method runtransform.DropList.__init__()=runtransform.DropList-class.html#__init__,Method runtransform.GetArgs.__init__()=runtransform.GetArgs-class.html#__init__,Method splashscreen.CallBack.__init__()=splashscreen.CallBack-class.html#__init__,Method splashscreen.SplashScreen.__init__()=splashscreen.SplashScreen-class.html#__init__,Method utilities.ExcelReader.__init__()=utilities.ExcelReader-class.html#__init__,Method utilities.ExcelWriter.__init__()=utilities.ExcelWriter-class.html#__init__,Method utilities.rglob.__init__()=utilities.rglob-class.html#__init__"><a title="crawler.Crawler.__init__
formats.__dataset__.Dataset.__init__
formats.__default__.Dataset.__init__
formats.ali_hyperion.Dataset.__init__
formats.alos.Dataset.__init__
formats.aster.Dataset.__init__
formats.ccrs.Dataset.__init__
formats.envi.Dataset.__init__
formats.esribil.Dataset.__init__
formats.esrigrid.Dataset.__init__
formats.fast_l7a.Dataset.__init__
formats.nitf.Dataset.__init__
formats.quickbird.Dataset.__init__
formats.spot_cap.Dataset.__init__
formats.spot_dimap.Dataset.__init__
geometry.GDALError.__init__
geometry.ShapeWriter.__init__
progresslogger.ProgressBarView.__init__
progresslogger.ProgressLogger.__init__
progresslogger.ProgressLoggerChecker.__init__
progresslogger.ProgressLoggerGUI.__init__
progresslogger.ProgressLoggerHandler.__init__
progresslogger.ProgressLoggerServer.__init__
runcrawler.Command.__init__
runcrawler.GetArgs.__init__
runtransform.Command.__init__
runtransform.DropList.__init__
runtransform.GetArgs.__init__
splashscreen.CallBack.__init__
splashscreen.SplashScreen.__init__
utilities.ExcelReader.__init__
utilities.ExcelWriter.__init__
utilities.rglob.__init__" class="py-name" href="#" onclick="return doclink('link-1', '__init__', 'link-1');">__init__</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errmsg</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errnum</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errtyp</tt><tt class="py-op">)</tt> </tt>
</div><a name="GDALError.__str__"></a><div id="GDALError.__str__-def"><a name="L65"></a><tt class="py-lineno"> 65</tt> <a class="py-toggle" href="#" id="GDALError.__str__-toggle" onclick="return toggle('GDALError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.GDALError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GDALError.__str__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="GDALError.__str__-expanded"><a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">        <tt class="py-docstring">''' For printing GDAL related errors </tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line"><tt class="py-docstring">            @rtype:  C{str}</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line"><tt class="py-docstring">            @return: String representation of the exception</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">'%s\nError Message:%s'</tt><tt class="py-op">%</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errtyp</tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">errmsg</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{Dataset Utilities</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="OpenDataset"></a><div id="OpenDataset-def"><a name="L76"></a><tt class="py-lineno"> 76</tt> <a class="py-toggle" href="#" id="OpenDataset-toggle" onclick="return toggle('OpenDataset');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#OpenDataset">OpenDataset</a><tt class="py-op">(</tt><tt class="py-param">filepath</tt><tt class="py-op">,</tt><tt class="py-param">mode</tt><tt class="py-op">=</tt><tt class="py-name">gdalconst</tt><tt class="py-op">.</tt><tt class="py-name">GA_ReadOnly</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="OpenDataset-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="OpenDataset-expanded"><a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">    <tt class="py-docstring">''' Open &amp; return a gdalDataset object</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring">        @type    filepath: C{str}</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">        @param   filepath: path to dataset</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:  C{osgeo.gdal.Dataset}</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line"><tt class="py-docstring">        @return: GDAL Dataset</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PushErrorHandler</tt><tt class="py-op">(</tt> <tt class="py-string">'CPLQuietErrorHandler'</tt> <tt class="py-op">)</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">    <tt class="py-name">gdalDataset</tt> <tt class="py-op">=</tt> <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt id="link-2" class="py-name" targets="Function formats.Open()=formats-module.html#Open"><a title="formats.Open" class="py-name" href="#" onclick="return doclink('link-2', 'Open', 'link-2');">Open</a></tt><tt class="py-op">(</tt><tt class="py-name">filepath</tt><tt class="py-op">,</tt> <tt class="py-name">mode</tt><tt class="py-op">)</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">gdalDataset</tt><tt class="py-op">:</tt><tt class="py-keyword">raise</tt> <tt id="link-3" class="py-name" targets="Class geometry.GDALError=geometry.GDALError-class.html"><a title="geometry.GDALError" class="py-name" href="#" onclick="return doclink('link-3', 'GDALError', 'link-3');">GDALError</a></tt><tt class="py-op">,</tt> <tt class="py-string">'Unable to open %s'</tt><tt class="py-op">%</tt><tt class="py-name">filepath</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PopErrorHandler</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">gdalDataset</tt> </tt>
</div><a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line"> </tt>
<a name="ParseGDALinfo"></a><div id="ParseGDALinfo-def"><a name="L92"></a><tt class="py-lineno"> 92</tt> <a class="py-toggle" href="#" id="ParseGDALinfo-toggle" onclick="return toggle('ParseGDALinfo');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#ParseGDALinfo">ParseGDALinfo</a><tt class="py-op">(</tt><tt class="py-param">filepath</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ParseGDALinfo-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ParseGDALinfo-expanded"><a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">    <tt class="py-docstring">''' Very basic gdalinfo parser, does not include colo(u)r tables, raster attribute tables.</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line"><tt class="py-docstring">        @type    filepath: C{str}</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line"><tt class="py-docstring">        @param   filepath: path to dataset</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:  C{(dict,list)}</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"><tt class="py-docstring">        @return: GDAL info,extent coordinates</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">     </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">    <tt id="link-4" class="py-name" targets="Variable formats.__dataset__.Dataset.metadata=formats.__dataset__.Dataset-class.html#metadata"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-4', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">=</tt><tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">    <tt id="link-5" class="py-name" targets="Variable formats.__dataset__.Dataset.extent=formats.__dataset__.Dataset-class.html#extent"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-5', 'extent', 'link-5');">extent</a></tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line"> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">    <tt class="py-name">cmd</tt><tt class="py-op">=</tt><tt class="py-string">'gdalinfo -noct '</tt><tt class="py-op">+</tt><tt class="py-name">filepath</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">    <tt class="py-name">exit_code</tt><tt class="py-op">,</tt><tt class="py-name">stdout</tt><tt class="py-op">,</tt><tt class="py-name">stderr</tt><tt class="py-op">=</tt><tt id="link-6" class="py-name"><a title="utilities" class="py-name" href="#" onclick="return doclink('link-6', 'utilities', 'link-0');">utilities</a></tt><tt class="py-op">.</tt><tt id="link-7" class="py-name" targets="Function utilities.runcmd()=utilities-module.html#runcmd"><a title="utilities.runcmd" class="py-name" href="#" onclick="return doclink('link-7', 'runcmd', 'link-7');">runcmd</a></tt><tt class="py-op">(</tt><tt class="py-name">cmd</tt><tt class="py-op">)</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">exit_code</tt> <tt class="py-op">!=</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> <tt class="py-keyword">raise</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">stderr</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">     </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">    <tt class="py-name">decimal</tt><tt class="py-op">=</tt><tt class="py-string">r'([-+]?\d+\.?\d+e?[-+]?\d+?)'</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line"> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Size is (\d+),\s*(\d+)'</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-8" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-8', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'cols'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-9" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-9', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'rows'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt id="link-10" class="py-name" targets="Class int=int-class.html"><a title="int" class="py-name" href="#" onclick="return doclink('link-10', 'int', 'link-10');">int</a></tt><tt class="py-op">(</tt><tt id="link-11" class="py-name" targets="Variable formats.r=formats-module.html#r"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-11', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-12" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-12', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line"> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Coordinate System is:\s*(.*\])'</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-string">' '</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">s</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">s</tt> <tt class="py-keyword">in</tt> <tt class="py-name">stdout</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-13" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-13', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'srs'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line"> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line"> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Pixel Size\s*=\s*\(%s,%s\)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">decimal</tt><tt class="py-op">,</tt><tt class="py-name">decimal</tt><tt class="py-op">)</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-14" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-14', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'cellx'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt id="link-15" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-15', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'celly'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt id="link-16" class="py-name" targets="Class float=float-class.html"><a title="float" class="py-name" href="#" onclick="return doclink('link-16', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt id="link-17" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-17', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-18" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-18', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Upper Left\s*\(\s*%s\s*,\s*%s\)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">decimal</tt><tt class="py-op">,</tt><tt class="py-name">decimal</tt><tt class="py-op">)</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-19" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-19', 'extent', 'link-5');">extent</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-20" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-20', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt id="link-21" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-21', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-22" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-22', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line"> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Upper Right\s*\(\s*%s\s*,\s*%s\)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">decimal</tt><tt class="py-op">,</tt><tt class="py-name">decimal</tt><tt class="py-op">)</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-23" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-23', 'extent', 'link-5');">extent</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-24" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-24', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt id="link-25" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-25', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-26" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-26', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line"> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Lower Left\s*\(\s*%s\s*,\s*%s\)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">decimal</tt><tt class="py-op">,</tt><tt class="py-name">decimal</tt><tt class="py-op">)</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-27" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-27', 'extent', 'link-5');">extent</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-28" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-28', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt id="link-29" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-29', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-30" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-30', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line"> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Lower Right\s*\(\s*%s\s*,\s*%s\)'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">decimal</tt><tt class="py-op">,</tt><tt class="py-name">decimal</tt><tt class="py-op">)</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-31" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-31', 'extent', 'link-5');">extent</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt id="link-32" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-32', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt id="link-33" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-33', 'r', 'link-11');">r</a></tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt id="link-34" class="py-name"><a title="formats.r" class="py-name" href="#" onclick="return doclink('link-34', 'r', 'link-11');">r</a></tt> <tt class="py-keyword">in</tt> <tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line"> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Band \d'</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-35" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-35', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'nbands'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">)</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line"> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'Type=(%s)'</tt> <tt class="py-op">%</tt> <tt class="py-string">'|'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeName</tt><tt class="py-op">(</tt><tt class="py-name">dt</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">dt</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GDT_TypeCount</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-36" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-36', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'datatype'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">     </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-string">r'NoData Value='</tt><tt class="py-op">+</tt><tt class="py-name">decimal</tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt class="py-name">rex</tt><tt class="py-op">,</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">I</tt><tt class="py-op">)</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line">    <tt class="py-name">rex</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">.</tt><tt class="py-name">findall</tt><tt class="py-op">(</tt><tt class="py-name">stdout</tt><tt class="py-op">)</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">rex</tt><tt class="py-op">:</tt><tt id="link-37" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-37', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">[</tt><tt class="py-string">'nodata'</tt><tt class="py-op">]</tt><tt class="py-op">=</tt><tt class="py-name">rex</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line"> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt id="link-38" class="py-name"><a title="formats.__dataset__.Dataset.metadata" class="py-name" href="#" onclick="return doclink('link-38', 'metadata', 'link-4');">metadata</a></tt><tt class="py-op">,</tt><tt id="link-39" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-39', 'extent', 'link-5');">extent</a></tt> </tt>
</div><a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line"> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{Coordinate Utilities</tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="DMS2DD"></a><div id="DMS2DD-def"><a name="L166"></a><tt class="py-lineno">166</tt> <a class="py-toggle" href="#" id="DMS2DD-toggle" onclick="return toggle('DMS2DD');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#DMS2DD">DMS2DD</a><tt class="py-op">(</tt><tt class="py-param">dms</tt><tt class="py-op">,</tt><tt class="py-param">format</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="DMS2DD-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="DMS2DD-expanded"><a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line">    <tt class="py-docstring">''' Convert coordinate in degrees, minutes, seconds to decimal degrees.</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line"><tt class="py-docstring">        @type  dms: str</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line"><tt class="py-docstring">        @param dms: degrees, minutes, seconds</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line"><tt class="py-docstring">        @type  format: str</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line"><tt class="py-docstring">        @param format: The format parameter is a string of equal length to the DMS string</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line"><tt class="py-docstring">        and identifies the position of each of the following elements. Any other string in</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line"><tt class="py-docstring">        the format parameter is ignored.</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line"><tt class="py-docstring">            - H - hemisphere</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line"><tt class="py-docstring">            - D - degrees</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line"><tt class="py-docstring">            - M - minutes</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line"><tt class="py-docstring">            - S - seconds</tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line"><tt class="py-docstring">        eg:</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line"><tt class="py-docstring">            - C{'27 45 12 E'   = 'DD MM SS H'}</tt> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line"><tt class="py-docstring">            - C{'027 45 12 E'  = 'DDD MM SS H'}</tt> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line"><tt class="py-docstring">            - C{'027-45-12-E'  = 'DDD MM SS H'}</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line"><tt class="py-docstring">            - C{'27,45,12.3 E' = 'DD MM SSSS H'}</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line"><tt class="py-docstring">            - C{'-27,45,12.3'  = 'DDD MM SSSS'}</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: C{float}</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line"><tt class="py-docstring">        @return: decimal degrees</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">dms</tt><tt class="py-op">)</tt> <tt class="py-op">!=</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-40" class="py-name" targets="Variable icons.dir_img.format=icons.dir_img-class.html#format,Variable icons.log_img.format=icons.log_img-class.html#format,Variable icons.shp_img.format=icons.shp_img-class.html#format,Variable icons.xls_img.format=icons.xls_img-class.html#format,Variable icons.xsl_img.format=icons.xsl_img-class.html#format"><a title="icons.dir_img.format
icons.log_img.format
icons.shp_img.format
icons.xls_img.format
icons.xsl_img.format" class="py-name" href="#" onclick="return doclink('link-40', 'format', 'link-40');">format</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt><tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">,</tt> <tt class="py-string">'Format string %s does not match coordinate string %s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dms</tt><tt class="py-op">,</tt><tt id="link-41" class="py-name"><a title="icons.dir_img.format
icons.log_img.format
icons.shp_img.format
icons.xls_img.format
icons.xsl_img.format" class="py-name" href="#" onclick="return doclink('link-41', 'format', 'link-40');">format</a></tt><tt class="py-op">)</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line">    <tt class="py-name">H</tt><tt class="py-op">=</tt><tt class="py-string">''</tt> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">    <tt class="py-name">D</tt><tt class="py-op">=</tt><tt class="py-string">''</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">    <tt class="py-name">M</tt><tt class="py-op">=</tt><tt class="py-string">''</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line">    <tt class="py-name">S</tt><tt class="py-op">=</tt><tt class="py-string">''</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">f</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt id="link-42" class="py-name"><a title="icons.dir_img.format
icons.log_img.format
icons.shp_img.format
icons.xls_img.format
icons.xsl_img.format" class="py-name" href="#" onclick="return doclink('link-42', 'format', 'link-40');">format</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">f</tt><tt class="py-op">==</tt><tt class="py-string">'H'</tt><tt class="py-op">:</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line">            <tt class="py-name">H</tt><tt class="py-op">+=</tt><tt class="py-name">dms</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">f</tt><tt class="py-op">==</tt><tt class="py-string">'D'</tt><tt class="py-op">:</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">            <tt class="py-name">D</tt><tt class="py-op">+=</tt><tt class="py-name">dms</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> </tt>
<a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">f</tt><tt class="py-op">==</tt><tt class="py-string">'M'</tt><tt class="py-op">:</tt> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line">            <tt class="py-name">M</tt><tt class="py-op">+=</tt><tt class="py-name">dms</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> </tt>
<a name="L203"></a><tt class="py-lineno">203</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">f</tt><tt class="py-op">==</tt><tt class="py-string">'S'</tt><tt class="py-op">:</tt> </tt>
<a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">            <tt class="py-name">S</tt><tt class="py-op">+=</tt><tt class="py-name">dms</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line">    <tt class="py-name">dd</tt><tt class="py-op">=</tt><tt id="link-43" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-43', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt class="py-name">D</tt><tt class="py-op">)</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">dd</tt><tt class="py-op">!=</tt><tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">dd</tt><tt class="py-op">)</tt><tt class="py-op">:</tt><tt class="py-comment">#negative value</tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line">        <tt class="py-name">dd</tt><tt class="py-op">=</tt><tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">dd</tt><tt class="py-op">)</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line">        <tt class="py-name">neg</tt><tt class="py-op">=</tt><tt class="py-name">True</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt><tt class="py-name">neg</tt><tt class="py-op">=</tt><tt class="py-name">False</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">M</tt><tt class="py-op">:</tt><tt class="py-name">dd</tt><tt class="py-op">+=</tt><tt id="link-44" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-44', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt class="py-name">M</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-number">60.0</tt> <tt class="py-comment">#May not have been passed Minutes or Seconds</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">S</tt><tt class="py-op">:</tt><tt class="py-name">dd</tt><tt class="py-op">+=</tt><tt id="link-45" class="py-name"><a title="float" class="py-name" href="#" onclick="return doclink('link-45', 'float', 'link-16');">float</a></tt><tt class="py-op">(</tt><tt class="py-name">S</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-number">3600.0</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">neg</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">H</tt> <tt class="py-keyword">and</tt> <tt class="py-name">H</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-string">'S'</tt><tt class="py-op">,</tt><tt class="py-string">'W'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line">        <tt class="py-name">dd</tt><tt class="py-op">=</tt><tt class="py-name">dd</tt> <tt class="py-op">*</tt> <tt class="py-op">-</tt><tt class="py-number">1.0</tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line"> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">dd</tt> </tt>
</div><a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line"> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{Geometry Utilities</tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="Rotation"></a><div id="Rotation-def"><a name="L220"></a><tt class="py-lineno">220</tt> <a class="py-toggle" href="#" id="Rotation-toggle" onclick="return toggle('Rotation');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#Rotation">Rotation</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>    </tt>
</div><a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">    <tt class="py-docstring">''' Get rotation angle from a geotransform</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line"><tt class="py-docstring">        @type gt: C{tuple/list}</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line"><tt class="py-docstring">        @param gt: geotransform</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: C{float}</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line"><tt class="py-docstring">        @return: rotation angle</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt><tt class="py-keyword">return</tt> <tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">degrees</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">tanh</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">/</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt><tt class="py-keyword">return</tt> <tt class="py-number">0</tt> </tt>
</div><a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line"> </tt>
<a name="CellSize"></a><div id="CellSize-def"><a name="L230"></a><tt class="py-lineno">230</tt> <a class="py-toggle" href="#" id="CellSize-toggle" onclick="return toggle('CellSize');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CellSize">CellSize</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>    </tt>
</div><a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">    <tt class="py-docstring">''' Get cell size from a geotransform</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line"><tt class="py-docstring">        @type gt:  C{tuple/list}</tt> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line"><tt class="py-docstring">        @param gt: geotransform</tt> </tt>
<a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:    C{(float,float)}</tt> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line"><tt class="py-docstring">        @return:   (x,y) cell size</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">    <tt class="py-name">cellx</tt><tt class="py-op">=</tt><tt class="py-name">round</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">hypot</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-number">7</tt><tt class="py-op">)</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">    <tt class="py-name">celly</tt><tt class="py-op">=</tt><tt class="py-name">round</tt><tt class="py-op">(</tt><tt class="py-name">math</tt><tt class="py-op">.</tt><tt class="py-name">hypot</tt><tt class="py-op">(</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-number">7</tt><tt class="py-op">)</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-op">(</tt><tt class="py-name">cellx</tt><tt class="py-op">,</tt><tt class="py-name">celly</tt><tt class="py-op">)</tt> </tt>
</div><a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line"> </tt>
<a name="SceneCentre"></a><div id="SceneCentre-def"><a name="L242"></a><tt class="py-lineno">242</tt> <a class="py-toggle" href="#" id="SceneCentre-toggle" onclick="return toggle('SceneCentre');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#SceneCentre">SceneCentre</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SceneCentre-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="SceneCentre-expanded"><a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line">    <tt class="py-docstring">''' Get scene centre from a geotransform.</tt> </tt>
<a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line"><tt class="py-docstring">        @type gt: C{tuple/list}</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line"><tt class="py-docstring">        @param gt: geotransform</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols: C{int}</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols: number of columns in the dataset</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows: C{int}</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows: number of rows in the dataset</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:    C{(float,float)}</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line"><tt class="py-docstring">        @return:   Scene centre coordinates</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">    <tt class="py-name">px</tt> <tt class="py-op">=</tt> <tt class="py-name">cols</tt><tt class="py-op">/</tt><tt class="py-number">2</tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line">    <tt class="py-name">py</tt> <tt class="py-op">=</tt> <tt class="py-name">rows</tt><tt class="py-op">/</tt><tt class="py-number">2</tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line">    <tt class="py-name">x</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line">    <tt class="py-name">y</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">x</tt><tt class="py-op">,</tt><tt class="py-name">y</tt> </tt>
</div><a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line"> </tt>
<a name="ExtentToGCPs"></a><div id="ExtentToGCPs-def"><a name="L260"></a><tt class="py-lineno">260</tt> <a class="py-toggle" href="#" id="ExtentToGCPs-toggle" onclick="return toggle('ExtentToGCPs');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#ExtentToGCPs">ExtentToGCPs</a><tt class="py-op">(</tt><tt class="py-param">ext</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ExtentToGCPs-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ExtentToGCPs-expanded"><a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">    <tt class="py-docstring">''' Form a gcp list from the 4 corners.</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line"><tt class="py-docstring">        This function is meant to be used to convert an extent </tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line"><tt class="py-docstring">        to gcp's for use in the gdal.GCPsToGeoTransform function.</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line"><tt class="py-docstring">        @type ext:  C{tuple/list}</tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line"><tt class="py-docstring">        @param gt:  Extent, must be in order: [[ulx,uly],[urx,ury],[lrx,lry],[llx,lly]]</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:    C{[gcp,...,gcp]}</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line"><tt class="py-docstring">        @return:   List of GCP objects</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">    <tt class="py-name">gcp_list</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line">    <tt class="py-name">parr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">]</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line">    <tt class="py-name">larr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-name">rows</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line">    <tt class="py-name">id</tt><tt class="py-op">=</tt><tt class="py-number">0</tt> </tt>
<a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-number">5</tt><tt class="py-op">:</tt> <tt class="py-comment">#Assume ext[0]==ext[4]</tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line">        <tt class="py-name">ext</tt><tt class="py-op">=</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">)</tt><tt class="py-op">!=</tt><tt class="py-number">4</tt><tt class="py-op">:</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">,</tt> <tt class="py-string">'Extent must be a tuple/list with 4 elements, each an XY pair'</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line"> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">px</tt> <tt class="py-keyword">in</tt> <tt class="py-name">parr</tt><tt class="py-op">:</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">py</tt> <tt class="py-keyword">in</tt> <tt class="py-name">larr</tt><tt class="py-op">:</tt> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GCP</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">Id</tt><tt class="py-op">=</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">id</tt><tt class="py-op">)</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPX</tt><tt class="py-op">=</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-name">id</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPY</tt><tt class="py-op">=</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-name">id</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPZ</tt><tt class="py-op">=</tt><tt class="py-number">0.0</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPPixel</tt><tt class="py-op">=</tt><tt class="py-name">px</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPLine</tt><tt class="py-op">=</tt><tt class="py-name">py</tt> </tt>
<a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line">            <tt class="py-name">id</tt><tt class="py-op">+=</tt><tt class="py-number">1</tt> </tt>
<a name="L290"></a><tt class="py-lineno">290</tt>  <tt class="py-line">            <tt class="py-name">gcp_list</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cgcp</tt><tt class="py-op">)</tt> </tt>
<a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line">        <tt class="py-name">larr</tt><tt class="py-op">.</tt><tt class="py-name">reverse</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line">         </tt>
<a name="L293"></a><tt class="py-lineno">293</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">gcp_list</tt> </tt>
</div><a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line"> </tt>
<a name="GeoTransformToGCPs"></a><div id="GeoTransformToGCPs-def"><a name="L295"></a><tt class="py-lineno">295</tt> <a class="py-toggle" href="#" id="GeoTransformToGCPs-toggle" onclick="return toggle('GeoTransformToGCPs');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#GeoTransformToGCPs">GeoTransformToGCPs</a><tt class="py-op">(</tt><tt class="py-param">gt</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GeoTransformToGCPs-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="GeoTransformToGCPs-expanded"><a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line">    <tt class="py-docstring">''' Form a gcp list from a geotransform using the 4 corners.</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line"><tt class="py-docstring">        This function is meant to be used to convert a geotransform</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line"><tt class="py-docstring">        to gcp's so that the geocoded information can be reprojected.</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line"><tt class="py-docstring">        @type gt:   C{tuple/list}</tt> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line"><tt class="py-docstring">        @param gt: geotransform to convert to gcps</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:   C{int}</tt> </tt>
<a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols: number of columns in the dataset</tt> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:   C{int}</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows: number of rows in the dataset</tt> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:    C{[gcp,...,gcp]}</tt> </tt>
<a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line"><tt class="py-docstring">        @return:   List of GCP objects</tt> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line">    <tt class="py-comment">###############################################################################</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># This code is modified from the GeoTransformToGCPs function </tt> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># in the OpenEV module vrtutils.py</tt> </tt>
<a name="L313"></a><tt class="py-lineno">313</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">###############################################################################</tt> </tt>
<a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># $Id: vrtutils.py,v 1.17 2005/07/07 21:36:06 gmwalter Exp $</tt> </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#</tt> </tt>
<a name="L316"></a><tt class="py-lineno">316</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Project:  OpenEV</tt> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Purpose:  Utilities for creating vrt files.</tt> </tt>
<a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Author:   Gillian Walter, gwal...@atlsci.com</tt> </tt>
<a name="L319"></a><tt class="py-lineno">319</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#</tt> </tt>
<a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">###############################################################################</tt> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Copyright (c) 2000, Atlantis Scientific Inc. (www.atlsci.com)</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># </tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># This library is free software; you can redistribute it and/or</tt> </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># modify it under the terms of the GNU Library General Public</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># License as published by the Free Software Foundation; either</tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># version 2 of the License, or (at your option) any later version.</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># </tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># This library is distributed in the hope that it will be useful,</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># but WITHOUT ANY WARRANTY; without even the implied warranty of</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Library General Public License for more details.</tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># </tt> </tt>
<a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># You should have received a copy of the GNU Library General Public</tt> </tt>
<a name="L334"></a><tt class="py-lineno">334</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># License along with this library; if not, write to the</tt> </tt>
<a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Free Software Foundation, Inc., 59 Temple Place - Suite 330,</tt> </tt>
<a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># Boston, MA 02111-1307, USA.</tt> </tt>
<a name="L337"></a><tt class="py-lineno">337</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">###############################################################################</tt> </tt>
<a name="L338"></a><tt class="py-lineno">338</tt>  <tt class="py-line"><tt class="py-comment"></tt>     </tt>
<a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line">    <tt class="py-name">gcp_list</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line">    <tt class="py-name">parr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">]</tt> </tt>
<a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line">    <tt class="py-name">larr</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">]</tt> </tt>
<a name="L342"></a><tt class="py-lineno">342</tt>  <tt class="py-line">    <tt class="py-name">id</tt><tt class="py-op">=</tt><tt class="py-number">0</tt> </tt>
<a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">px</tt> <tt class="py-keyword">in</tt> <tt class="py-name">parr</tt><tt class="py-op">:</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">py</tt> <tt class="py-keyword">in</tt> <tt class="py-name">larr</tt><tt class="py-op">:</tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GCP</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">Id</tt><tt class="py-op">=</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">id</tt><tt class="py-op">)</tt> </tt>
<a name="L347"></a><tt class="py-lineno">347</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPX</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPY</tt><tt class="py-op">=</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">px</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">4</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-op">(</tt><tt class="py-name">py</tt><tt class="py-op">*</tt><tt class="py-name">gt</tt><tt class="py-op">[</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPZ</tt><tt class="py-op">=</tt><tt class="py-number">0.0</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPPixel</tt><tt class="py-op">=</tt><tt class="py-name">px</tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line">            <tt class="py-name">cgcp</tt><tt class="py-op">.</tt><tt class="py-name">GCPLine</tt><tt class="py-op">=</tt><tt class="py-name">py</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line">            <tt class="py-name">id</tt><tt class="py-op">+=</tt><tt class="py-number">1</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line">            <tt class="py-name">gcp_list</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cgcp</tt><tt class="py-op">)</tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line">        <tt class="py-name">larr</tt><tt class="py-op">.</tt><tt class="py-name">reverse</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">gcp_list</tt> </tt>
</div><a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line"> </tt>
<a name="GeomFromExtent"></a><div id="GeomFromExtent-def"><a name="L357"></a><tt class="py-lineno">357</tt> <a class="py-toggle" href="#" id="GeomFromExtent-toggle" onclick="return toggle('GeomFromExtent');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#GeomFromExtent">GeomFromExtent</a><tt class="py-op">(</tt><tt class="py-param">ext</tt><tt class="py-op">,</tt><tt class="py-param">srs</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">srs_wkt</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GeomFromExtent-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="GeomFromExtent-expanded"><a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line">    <tt class="py-docstring">''' Get and OGR geometry object from a extent list</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line"><tt class="py-docstring">        @type ext:  C{tuple/list}</tt> </tt>
<a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line"><tt class="py-docstring">        @param ext: extent coordinates</tt> </tt>
<a name="L362"></a><tt class="py-lineno">362</tt>  <tt class="py-line"><tt class="py-docstring">        @type srs:  C{str}</tt> </tt>
<a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line"><tt class="py-docstring">        @param srs: SRS WKT string</tt> </tt>
<a name="L364"></a><tt class="py-lineno">364</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:     C{ogr.Geometry}</tt> </tt>
<a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line"><tt class="py-docstring">        @return:    Geometry object</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">list</tt> <tt class="py-keyword">or</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">:</tt> <tt class="py-comment">#is it a list of xy pairs</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">:</tt><tt class="py-name">ext</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">ext</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line">        <tt class="py-name">wkt</tt> <tt class="py-op">=</tt> <tt class="py-string">'POLYGON ((%s))'</tt> <tt class="py-op">%</tt> <tt class="py-string">','</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-string">' '</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-name">map</tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">ext</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line">    <tt class="py-keyword">else</tt><tt class="py-op">:</tt> <tt class="py-comment">#it's a list of xy values</tt> </tt>
<a name="L371"></a><tt class="py-lineno">371</tt>  <tt class="py-line">        <tt class="py-name">xmin</tt><tt class="py-op">,</tt><tt class="py-name">ymin</tt><tt class="py-op">,</tt><tt class="py-name">xmax</tt><tt class="py-op">,</tt><tt class="py-name">ymax</tt><tt class="py-op">=</tt><tt class="py-name">ext</tt> </tt>
<a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line">        <tt class="py-name">template</tt> <tt class="py-op">=</tt> <tt class="py-string">'POLYGON ((%(minx)f %(miny)f, %(minx)f %(maxy)f, %(maxx)f %(maxy)f, %(maxx)f %(miny)f, %(minx)f %(miny)f))'</tt> </tt>
<a name="L373"></a><tt class="py-lineno">373</tt>  <tt class="py-line">        <tt class="py-name">r1</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'minx'</tt><tt class="py-op">:</tt> <tt class="py-name">xmin</tt><tt class="py-op">,</tt> <tt class="py-string">'miny'</tt><tt class="py-op">:</tt> <tt class="py-name">ymin</tt><tt class="py-op">,</tt> <tt class="py-string">'maxx'</tt><tt class="py-op">:</tt><tt class="py-name">xmax</tt><tt class="py-op">,</tt> <tt class="py-string">'maxy'</tt><tt class="py-op">:</tt><tt class="py-name">ymax</tt><tt class="py-op">}</tt> </tt>
<a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line">        <tt class="py-name">wkt</tt> <tt class="py-op">=</tt> <tt class="py-name">template</tt> <tt class="py-op">%</tt> <tt class="py-name">r1</tt> </tt>
<a name="L375"></a><tt class="py-lineno">375</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">srs_wkt</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt><tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-name">wkt</tt><tt class="py-op">=</tt><tt class="py-name">srs_wkt</tt><tt class="py-op">)</tt> </tt>
<a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line">    <tt class="py-name">geom</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">CreateGeometryFromWkt</tt><tt class="py-op">(</tt><tt class="py-name">wkt</tt><tt class="py-op">,</tt><tt class="py-name">srs</tt><tt class="py-op">)</tt> </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">geom</tt> </tt>
</div><a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line"> </tt>
<a name="ReprojectGeom"></a><div id="ReprojectGeom-def"><a name="L379"></a><tt class="py-lineno">379</tt> <a class="py-toggle" href="#" id="ReprojectGeom-toggle" onclick="return toggle('ReprojectGeom');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#ReprojectGeom">ReprojectGeom</a><tt class="py-op">(</tt><tt class="py-param">geom</tt><tt class="py-op">,</tt><tt class="py-param">src_srs</tt><tt class="py-op">,</tt><tt class="py-param">tgt_srs</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ReprojectGeom-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ReprojectGeom-expanded"><a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line">    <tt class="py-docstring">''' Reproject a geometry object.</tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line"><tt class="py-docstring">        @type geom:     C{ogr.Geometry}</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line"><tt class="py-docstring">        @param geom:    OGR geometry object</tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line"><tt class="py-docstring">        @type src_srs:  C{osr.SpatialReference}</tt> </tt>
<a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line"><tt class="py-docstring">        @param src_srs: OSR SpatialReference object</tt> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line"><tt class="py-docstring">        @type tgt_srs:  C{osr.SpatialReference}</tt> </tt>
<a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line"><tt class="py-docstring">        @param tgt_srs: OSR SpatialReference object</tt> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:         C{ogr.Geometry}</tt> </tt>
<a name="L389"></a><tt class="py-lineno">389</tt>  <tt class="py-line"><tt class="py-docstring">        @return:        OGRGeometry object</tt> </tt>
<a name="L390"></a><tt class="py-lineno">390</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PushErrorHandler</tt><tt class="py-op">(</tt> <tt class="py-string">'CPLQuietErrorHandler'</tt> <tt class="py-op">)</tt> </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line">    <tt class="py-name">geom</tt><tt class="py-op">.</tt><tt class="py-name">AssignSpatialReference</tt><tt class="py-op">(</tt><tt class="py-name">src_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line">    <tt class="py-name">geom</tt><tt class="py-op">.</tt><tt class="py-name">TransformTo</tt><tt class="py-op">(</tt><tt class="py-name">tgt_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line">    <tt class="py-name">err</tt> <tt class="py-op">=</tt> <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorMsg</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt><tt class="py-name">warnings</tt><tt class="py-op">.</tt><tt class="py-name">warn</tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">.</tt><tt class="py-name">replace</tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">,</tt><tt class="py-string">' '</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L397"></a><tt class="py-lineno">397</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">PopErrorHandler</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line">    <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">geom</tt> </tt>
</div><a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line"> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{VRT Utilities</tt> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="CreateVRTCopy"></a><div id="CreateVRTCopy-def"><a name="L404"></a><tt class="py-lineno">404</tt> <a class="py-toggle" href="#" id="CreateVRTCopy-toggle" onclick="return toggle('CreateVRTCopy');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateVRTCopy">CreateVRTCopy</a><tt class="py-op">(</tt><tt class="py-param">ds</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateVRTCopy-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateVRTCopy-expanded"><a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line">    <tt class="py-docstring">''' Create a VRT copy of a gdal.Dataset object.</tt> </tt>
<a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L407"></a><tt class="py-lineno">407</tt>  <tt class="py-line"><tt class="py-docstring">        @type ds:  C{gdal.Dataset}</tt> </tt>
<a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line"><tt class="py-docstring">        @param ds: Dataset object</tt> </tt>
<a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:    C{gdal.Dataset}</tt> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line"><tt class="py-docstring">        @return:   VRT Dataset object</tt> </tt>
<a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line">        <tt class="py-name">vrtdrv</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDriverByName</tt><tt class="py-op">(</tt><tt class="py-string">'VRT'</tt><tt class="py-op">)</tt> </tt>
<a name="L414"></a><tt class="py-lineno">414</tt>  <tt class="py-line">        <tt class="py-name">vrtds</tt><tt class="py-op">=</tt><tt class="py-name">vrtdrv</tt><tt class="py-op">.</tt><tt class="py-name">CreateCopy</tt><tt class="py-op">(</tt><tt class="py-string">''</tt><tt class="py-op">,</tt><tt class="py-name">ds</tt><tt class="py-op">)</tt> </tt>
<a name="L415"></a><tt class="py-lineno">415</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">vrtds</tt> </tt>
<a name="L416"></a><tt class="py-lineno">416</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L417"></a><tt class="py-lineno">417</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L418"></a><tt class="py-lineno">418</tt>  <tt class="py-line"> </tt>
<a name="CreateMosaicedVRT"></a><div id="CreateMosaicedVRT-def"><a name="L419"></a><tt class="py-lineno">419</tt> <a class="py-toggle" href="#" id="CreateMosaicedVRT-toggle" onclick="return toggle('CreateMosaicedVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateMosaicedVRT">CreateMosaicedVRT</a><tt class="py-op">(</tt><tt class="py-param">files</tt><tt class="py-op">,</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">srcrects</tt><tt class="py-op">,</tt><tt class="py-param">dstrects</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateMosaicedVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateMosaicedVRT-expanded"><a name="L420"></a><tt class="py-lineno">420</tt>  <tt class="py-line">    <tt class="py-docstring">''' Create a VRT XML string that mosaics datasets.</tt> </tt>
<a name="L421"></a><tt class="py-lineno">421</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L422"></a><tt class="py-lineno">422</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L423"></a><tt class="py-lineno">423</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L424"></a><tt class="py-lineno">424</tt>  <tt class="py-line"><tt class="py-docstring">        @type files:          C{[str,...,str]}</tt> </tt>
<a name="L425"></a><tt class="py-lineno">425</tt>  <tt class="py-line"><tt class="py-docstring">        @param files:         List of files to mosaic</tt> </tt>
<a name="L426"></a><tt class="py-lineno">426</tt>  <tt class="py-line"><tt class="py-docstring">        @type bands:          C{[int,...,int]}</tt> </tt>
<a name="L427"></a><tt class="py-lineno">427</tt>  <tt class="py-line"><tt class="py-docstring">        @param bands:         List of band numbers (1 based). Eg. [1,2,3] will mosaic</tt> </tt>
<a name="L428"></a><tt class="py-lineno">428</tt>  <tt class="py-line"><tt class="py-docstring">                              the first band from each file into the 1st band of the output VRT, etc.</tt> </tt>
<a name="L429"></a><tt class="py-lineno">429</tt>  <tt class="py-line"><tt class="py-docstring">                              </tt> </tt>
<a name="L430"></a><tt class="py-lineno">430</tt>  <tt class="py-line"><tt class="py-docstring">        @type srcrects:       C{[SrcRect,...,SrcRect]}</tt> </tt>
<a name="L431"></a><tt class="py-lineno">431</tt>  <tt class="py-line"><tt class="py-docstring">        @param srcrects:      List of SrcRects, one per file, in image not map units. E.g [[0,0,512,512],...]</tt> </tt>
<a name="L432"></a><tt class="py-lineno">432</tt>  <tt class="py-line"><tt class="py-docstring">                              will be output as &lt;SrcRect xOff="0" yOff="0" xSize="512" ySize="512"/&gt;.</tt> </tt>
<a name="L433"></a><tt class="py-lineno">433</tt>  <tt class="py-line"><tt class="py-docstring">                              The SrcRect allows you to subset your input image.</tt> </tt>
<a name="L434"></a><tt class="py-lineno">434</tt>  <tt class="py-line"><tt class="py-docstring">        @type dstrects:       C{[DstRect,...,DstRect]}</tt> </tt>
<a name="L435"></a><tt class="py-lineno">435</tt>  <tt class="py-line"><tt class="py-docstring">        @param dstrects:      List of DstRects, One per file, in image not map units. E.g [[512,512,1024,1024],...]</tt> </tt>
<a name="L436"></a><tt class="py-lineno">436</tt>  <tt class="py-line"><tt class="py-docstring">                              will be output as &lt;DstRect xOff="512" yOff="512" xSize="1024" ySize="1024"/&gt;</tt> </tt>
<a name="L437"></a><tt class="py-lineno">437</tt>  <tt class="py-line"><tt class="py-docstring">                              The DstRect determines the spatial position of the input image in the mosaic.</tt> </tt>
<a name="L438"></a><tt class="py-lineno">438</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L439"></a><tt class="py-lineno">439</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output mosaic</tt> </tt>
<a name="L440"></a><tt class="py-lineno">440</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L441"></a><tt class="py-lineno">441</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output mosaic</tt> </tt>
<a name="L442"></a><tt class="py-lineno">442</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L443"></a><tt class="py-lineno">443</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L444"></a><tt class="py-lineno">444</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L445"></a><tt class="py-lineno">445</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L446"></a><tt class="py-lineno">446</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L447"></a><tt class="py-lineno">447</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L448"></a><tt class="py-lineno">448</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L449"></a><tt class="py-lineno">449</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L450"></a><tt class="py-lineno">450</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L451"></a><tt class="py-lineno">451</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L452"></a><tt class="py-lineno">452</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">j</tt><tt class="py-op">,</tt><tt class="py-name">f</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">files</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L453"></a><tt class="py-lineno">453</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L454"></a><tt class="py-lineno">454</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">f</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L455"></a><tt class="py-lineno">455</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceProperties RasterXSize="%s" RasterYSize="%s" DataType="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L456"></a><tt class="py-lineno">456</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceBand&gt;%s&lt;/SourceBand&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-name">band</tt><tt class="py-op">)</tt> </tt>
<a name="L457"></a><tt class="py-lineno">457</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SrcRect xOff="%s" yOff="%s" xSize="%s" ySize="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">srcrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L458"></a><tt class="py-lineno">458</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;DstRect xOff="%s" yOff="%s" xSize="%s" ySize="%s"/&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">,</tt><tt class="py-name">dstrects</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L459"></a><tt class="py-lineno">459</tt>  <tt class="py-line">                <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;/SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L460"></a><tt class="py-lineno">460</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L461"></a><tt class="py-lineno">461</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-46" class="py-name" targets="Function geometry.CreateCustomVRT()=geometry-module.html#CreateCustomVRT"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-46', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L462"></a><tt class="py-lineno">462</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L463"></a><tt class="py-lineno">463</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-comment">#return None</tt> </tt>
</div><a name="L464"></a><tt class="py-lineno">464</tt>  <tt class="py-line"> </tt>
<a name="CreateSimpleVRT"></a><div id="CreateSimpleVRT-def"><a name="L465"></a><tt class="py-lineno">465</tt> <a class="py-toggle" href="#" id="CreateSimpleVRT-toggle" onclick="return toggle('CreateSimpleVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateSimpleVRT">CreateSimpleVRT</a><tt class="py-op">(</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateSimpleVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateSimpleVRT-expanded"><a name="L466"></a><tt class="py-lineno">466</tt>  <tt class="py-line">    <tt class="py-docstring">''' Create a VRT XML string with a simple source from one or more datasets,</tt> </tt>
<a name="L467"></a><tt class="py-lineno">467</tt>  <tt class="py-line"><tt class="py-docstring">        each dataset will be output as a separate band.</tt> </tt>
<a name="L468"></a><tt class="py-lineno">468</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L469"></a><tt class="py-lineno">469</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L470"></a><tt class="py-lineno">470</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L471"></a><tt class="py-lineno">471</tt>  <tt class="py-line"><tt class="py-docstring">        @type bands:          C{[str,...,str]}</tt> </tt>
<a name="L472"></a><tt class="py-lineno">472</tt>  <tt class="py-line"><tt class="py-docstring">        @param bands:         List of files. The first file becomes the first band and so forth.</tt> </tt>
<a name="L473"></a><tt class="py-lineno">473</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L474"></a><tt class="py-lineno">474</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output VRT</tt> </tt>
<a name="L475"></a><tt class="py-lineno">475</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L476"></a><tt class="py-lineno">476</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output VRT</tt> </tt>
<a name="L477"></a><tt class="py-lineno">477</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L478"></a><tt class="py-lineno">478</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L479"></a><tt class="py-lineno">479</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L480"></a><tt class="py-lineno">480</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L481"></a><tt class="py-lineno">481</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L482"></a><tt class="py-lineno">482</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L483"></a><tt class="py-lineno">483</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L484"></a><tt class="py-lineno">484</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L485"></a><tt class="py-lineno">485</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L486"></a><tt class="py-lineno">486</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L487"></a><tt class="py-lineno">487</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L488"></a><tt class="py-lineno">488</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">band</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L489"></a><tt class="py-lineno">489</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'      &lt;SourceBand&gt;1&lt;/SourceBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L490"></a><tt class="py-lineno">490</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;/SimpleSource&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L491"></a><tt class="py-lineno">491</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L492"></a><tt class="py-lineno">492</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-47" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-47', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L493"></a><tt class="py-lineno">493</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L494"></a><tt class="py-lineno">494</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L495"></a><tt class="py-lineno">495</tt>  <tt class="py-line"> </tt>
<a name="CreateRawRasterVRT"></a><div id="CreateRawRasterVRT-def"><a name="L496"></a><tt class="py-lineno">496</tt> <a class="py-toggle" href="#" id="CreateRawRasterVRT-toggle" onclick="return toggle('CreateRawRasterVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateRawRasterVRT">CreateRawRasterVRT</a><tt class="py-op">(</tt><tt class="py-param">bands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">headeroffset</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">byteorder</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateRawRasterVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateRawRasterVRT-expanded"><a name="L497"></a><tt class="py-lineno">497</tt>  <tt class="py-line">    <tt class="py-docstring">''' Create RawRaster VRT from one or more _single_ band files</tt> </tt>
<a name="L498"></a><tt class="py-lineno">498</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L499"></a><tt class="py-lineno">499</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L500"></a><tt class="py-lineno">500</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L501"></a><tt class="py-lineno">501</tt>  <tt class="py-line"><tt class="py-docstring">        @type bands:          C{[str,...,str]}</tt> </tt>
<a name="L502"></a><tt class="py-lineno">502</tt>  <tt class="py-line"><tt class="py-docstring">        @param bands:         List of files. The first file becomes the first band and so forth.</tt> </tt>
<a name="L503"></a><tt class="py-lineno">503</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L504"></a><tt class="py-lineno">504</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output VRT</tt> </tt>
<a name="L505"></a><tt class="py-lineno">505</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L506"></a><tt class="py-lineno">506</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output VRT</tt> </tt>
<a name="L507"></a><tt class="py-lineno">507</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L508"></a><tt class="py-lineno">508</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L509"></a><tt class="py-lineno">509</tt>  <tt class="py-line"><tt class="py-docstring">        @type headeroffset:   C{int}</tt> </tt>
<a name="L510"></a><tt class="py-lineno">510</tt>  <tt class="py-line"><tt class="py-docstring">        @param headeroffset:  Number of bytes to skip at the start of the file</tt> </tt>
<a name="L511"></a><tt class="py-lineno">511</tt>  <tt class="py-line"><tt class="py-docstring">        @type byteorder:      C{str}</tt> </tt>
<a name="L512"></a><tt class="py-lineno">512</tt>  <tt class="py-line"><tt class="py-docstring">        @param byteorder:     Byte order of the file (MSB or LSB)</tt> </tt>
<a name="L513"></a><tt class="py-lineno">513</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L514"></a><tt class="py-lineno">514</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L515"></a><tt class="py-lineno">515</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L516"></a><tt class="py-lineno">516</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L517"></a><tt class="py-lineno">517</tt>  <tt class="py-line"> </tt>
<a name="L518"></a><tt class="py-lineno">518</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L519"></a><tt class="py-lineno">519</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L520"></a><tt class="py-lineno">520</tt>  <tt class="py-line">        <tt class="py-name">nbits</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeSize</tt><tt class="py-op">(</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeByName</tt><tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L521"></a><tt class="py-lineno">521</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt><tt class="py-op">,</tt><tt class="py-name">band</tt> <tt class="py-keyword">in</tt> <tt class="py-name">enumerate</tt><tt class="py-op">(</tt><tt class="py-name">bands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L522"></a><tt class="py-lineno">522</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s" subClass="VRTRawRasterBand"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L523"></a><tt class="py-lineno">523</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">band</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L524"></a><tt class="py-lineno">524</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ImageOffset&gt;%s&lt;/ImageOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">headeroffset</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L525"></a><tt class="py-lineno">525</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;PixelOffset&gt;%s&lt;/PixelOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L526"></a><tt class="py-lineno">526</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;LineOffset&gt;%s&lt;/LineOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt> <tt class="py-op">*</tt> <tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L527"></a><tt class="py-lineno">527</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">byteorder</tt><tt class="py-op">:</tt><tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ByteOrder&gt;%s&lt;/ByteOrder&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">byteorder</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L528"></a><tt class="py-lineno">528</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L529"></a><tt class="py-lineno">529</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-48" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-48', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L530"></a><tt class="py-lineno">530</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L531"></a><tt class="py-lineno">531</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L532"></a><tt class="py-lineno">532</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
</div><a name="L533"></a><tt class="py-lineno">533</tt>  <tt class="py-line"> </tt>
<a name="CreateBSQRawRasterVRT"></a><div id="CreateBSQRawRasterVRT-def"><a name="L534"></a><tt class="py-lineno">534</tt> <a class="py-toggle" href="#" id="CreateBSQRawRasterVRT-toggle" onclick="return toggle('CreateBSQRawRasterVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateBSQRawRasterVRT">CreateBSQRawRasterVRT</a><tt class="py-op">(</tt><tt class="py-param">filename</tt><tt class="py-op">,</tt><tt class="py-param">nbands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">nodata</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">headeroffset</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">byteorder</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateBSQRawRasterVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateBSQRawRasterVRT-expanded"><a name="L535"></a><tt class="py-lineno">535</tt>  <tt class="py-line">    <tt class="py-docstring">''' Create RawRaster VRT from a BSQ</tt> </tt>
<a name="L536"></a><tt class="py-lineno">536</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L537"></a><tt class="py-lineno">537</tt>  <tt class="py-line"><tt class="py-docstring">        BSQ = Band-Sequential or Band-Interleaved    </tt> </tt>
<a name="L538"></a><tt class="py-lineno">538</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L539"></a><tt class="py-lineno">539</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L540"></a><tt class="py-lineno">540</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L541"></a><tt class="py-lineno">541</tt>  <tt class="py-line"><tt class="py-docstring">        @type filename:       C{str}</tt> </tt>
<a name="L542"></a><tt class="py-lineno">542</tt>  <tt class="py-line"><tt class="py-docstring">        @param filename:      File name</tt> </tt>
<a name="L543"></a><tt class="py-lineno">543</tt>  <tt class="py-line"><tt class="py-docstring">        @type nbands:         C{int}</tt> </tt>
<a name="L544"></a><tt class="py-lineno">544</tt>  <tt class="py-line"><tt class="py-docstring">        @param nbands:        The number of bands in the output VRT (&lt;= nbands in input file)</tt> </tt>
<a name="L545"></a><tt class="py-lineno">545</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L546"></a><tt class="py-lineno">546</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output VRT</tt> </tt>
<a name="L547"></a><tt class="py-lineno">547</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L548"></a><tt class="py-lineno">548</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output VRT</tt> </tt>
<a name="L549"></a><tt class="py-lineno">549</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L550"></a><tt class="py-lineno">550</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L551"></a><tt class="py-lineno">551</tt>  <tt class="py-line"><tt class="py-docstring">        @type nodata:         C{float}</tt> </tt>
<a name="L552"></a><tt class="py-lineno">552</tt>  <tt class="py-line"><tt class="py-docstring">        @param nodata:        No data/Null value</tt> </tt>
<a name="L553"></a><tt class="py-lineno">553</tt>  <tt class="py-line"><tt class="py-docstring">        @type headeroffset:   C{int}</tt> </tt>
<a name="L554"></a><tt class="py-lineno">554</tt>  <tt class="py-line"><tt class="py-docstring">        @param headeroffset:  Number of bytes to skip at the start of the file</tt> </tt>
<a name="L555"></a><tt class="py-lineno">555</tt>  <tt class="py-line"><tt class="py-docstring">        @type byteorder:      C{str}</tt> </tt>
<a name="L556"></a><tt class="py-lineno">556</tt>  <tt class="py-line"><tt class="py-docstring">        @param byteorder:     Byte order of the file (MSB or LSB)</tt> </tt>
<a name="L557"></a><tt class="py-lineno">557</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L558"></a><tt class="py-lineno">558</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L559"></a><tt class="py-lineno">559</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L560"></a><tt class="py-lineno">560</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L561"></a><tt class="py-lineno">561</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L562"></a><tt class="py-lineno">562</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L563"></a><tt class="py-lineno">563</tt>  <tt class="py-line">        <tt class="py-name">nbits</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeSize</tt><tt class="py-op">(</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeByName</tt><tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L564"></a><tt class="py-lineno">564</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">nbands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L565"></a><tt class="py-lineno">565</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s" subClass="VRTRawRasterBand"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L566"></a><tt class="py-lineno">566</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L567"></a><tt class="py-lineno">567</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;NoDataValue&gt;%s&lt;/NoDataValue&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-name">nodata</tt><tt class="py-op">)</tt> </tt>
<a name="L568"></a><tt class="py-lineno">568</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ImageOffset&gt;%s&lt;/ImageOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">headeroffset</tt><tt class="py-op">+</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">*</tt><tt class="py-name">i</tt><tt class="py-op">*</tt><tt class="py-name">cols</tt><tt class="py-op">*</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L569"></a><tt class="py-lineno">569</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;PixelOffset&gt;%s&lt;/PixelOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L570"></a><tt class="py-lineno">570</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;LineOffset&gt;%s&lt;/LineOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt> <tt class="py-op">*</tt> <tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L571"></a><tt class="py-lineno">571</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">byteorder</tt><tt class="py-op">:</tt><tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ByteOrder&gt;%s&lt;/ByteOrder&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">byteorder</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L572"></a><tt class="py-lineno">572</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L573"></a><tt class="py-lineno">573</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-49" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-49', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L574"></a><tt class="py-lineno">574</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L575"></a><tt class="py-lineno">575</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L576"></a><tt class="py-lineno">576</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
</div><a name="L577"></a><tt class="py-lineno">577</tt>  <tt class="py-line"> </tt>
<a name="CreateBILRawRasterVRT"></a><div id="CreateBILRawRasterVRT-def"><a name="L578"></a><tt class="py-lineno">578</tt> <a class="py-toggle" href="#" id="CreateBILRawRasterVRT-toggle" onclick="return toggle('CreateBILRawRasterVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateBILRawRasterVRT">CreateBILRawRasterVRT</a><tt class="py-op">(</tt><tt class="py-param">filename</tt><tt class="py-op">,</tt><tt class="py-param">nbands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">nbits</tt><tt class="py-op">,</tt><tt class="py-param">nodata</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">headeroffset</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">byteorder</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateBILRawRasterVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateBILRawRasterVRT-expanded"><a name="L579"></a><tt class="py-lineno">579</tt>  <tt class="py-line">    <tt class="py-docstring">'''Create RawRaster VRT from a BIL</tt> </tt>
<a name="L580"></a><tt class="py-lineno">580</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L581"></a><tt class="py-lineno">581</tt>  <tt class="py-line"><tt class="py-docstring">        BIL = Band-Interleaved-by-Line or Row-Interleaved</tt> </tt>
<a name="L582"></a><tt class="py-lineno">582</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L583"></a><tt class="py-lineno">583</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L584"></a><tt class="py-lineno">584</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L585"></a><tt class="py-lineno">585</tt>  <tt class="py-line"><tt class="py-docstring">        @type filename:       C{str}</tt> </tt>
<a name="L586"></a><tt class="py-lineno">586</tt>  <tt class="py-line"><tt class="py-docstring">        @param filename:      File name</tt> </tt>
<a name="L587"></a><tt class="py-lineno">587</tt>  <tt class="py-line"><tt class="py-docstring">        @type nbands:         C{int}</tt> </tt>
<a name="L588"></a><tt class="py-lineno">588</tt>  <tt class="py-line"><tt class="py-docstring">        @param nbands:        The number of bands in the output VRT (&lt;= nbands in input file)</tt> </tt>
<a name="L589"></a><tt class="py-lineno">589</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L590"></a><tt class="py-lineno">590</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output VRT</tt> </tt>
<a name="L591"></a><tt class="py-lineno">591</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L592"></a><tt class="py-lineno">592</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output VRT</tt> </tt>
<a name="L593"></a><tt class="py-lineno">593</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L594"></a><tt class="py-lineno">594</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L595"></a><tt class="py-lineno">595</tt>  <tt class="py-line"><tt class="py-docstring">        @type nodata:         C{float}</tt> </tt>
<a name="L596"></a><tt class="py-lineno">596</tt>  <tt class="py-line"><tt class="py-docstring">        @param nodata:        No data/Null value</tt> </tt>
<a name="L597"></a><tt class="py-lineno">597</tt>  <tt class="py-line"><tt class="py-docstring">        @type headeroffset:   C{int}</tt> </tt>
<a name="L598"></a><tt class="py-lineno">598</tt>  <tt class="py-line"><tt class="py-docstring">        @param headeroffset:  Number of bytes to skip at the start of the file</tt> </tt>
<a name="L599"></a><tt class="py-lineno">599</tt>  <tt class="py-line"><tt class="py-docstring">        @type byteorder:      C{str}</tt> </tt>
<a name="L600"></a><tt class="py-lineno">600</tt>  <tt class="py-line"><tt class="py-docstring">        @param byteorder:     Byte order of the file (MSB or LSB)</tt> </tt>
<a name="L601"></a><tt class="py-lineno">601</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L602"></a><tt class="py-lineno">602</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L603"></a><tt class="py-lineno">603</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L604"></a><tt class="py-lineno">604</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L605"></a><tt class="py-lineno">605</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L606"></a><tt class="py-lineno">606</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L607"></a><tt class="py-lineno">607</tt>  <tt class="py-line">        <tt class="py-name">nbits</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeSize</tt><tt class="py-op">(</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeByName</tt><tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L608"></a><tt class="py-lineno">608</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">nbands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L609"></a><tt class="py-lineno">609</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s" subClass="VRTRawRasterBand"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L610"></a><tt class="py-lineno">610</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L611"></a><tt class="py-lineno">611</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;NoDataValue&gt;%s&lt;/NoDataValue&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-name">nodata</tt><tt class="py-op">)</tt> </tt>
<a name="L612"></a><tt class="py-lineno">612</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ImageOffset&gt;%s&lt;/ImageOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">headeroffset</tt><tt class="py-op">+</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">*</tt><tt class="py-name">i</tt><tt class="py-op">*</tt><tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L613"></a><tt class="py-lineno">613</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;PixelOffset&gt;%s&lt;/PixelOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L614"></a><tt class="py-lineno">614</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;LineOffset&gt;%s&lt;/LineOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt> <tt class="py-op">*</tt> <tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L615"></a><tt class="py-lineno">615</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">byteorder</tt><tt class="py-op">:</tt><tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ByteOrder&gt;%s&lt;/ByteOrder&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">byteorder</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L616"></a><tt class="py-lineno">616</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L617"></a><tt class="py-lineno">617</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-50" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-50', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L618"></a><tt class="py-lineno">618</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L619"></a><tt class="py-lineno">619</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L620"></a><tt class="py-lineno">620</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
</div><a name="L621"></a><tt class="py-lineno">621</tt>  <tt class="py-line"> </tt>
<a name="CreateBIPRawRasterVRT"></a><div id="CreateBIPRawRasterVRT-def"><a name="L622"></a><tt class="py-lineno">622</tt> <a class="py-toggle" href="#" id="CreateBIPRawRasterVRT-toggle" onclick="return toggle('CreateBIPRawRasterVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateBIPRawRasterVRT">CreateBIPRawRasterVRT</a><tt class="py-op">(</tt><tt class="py-param">filename</tt><tt class="py-op">,</tt><tt class="py-param">nbands</tt><tt class="py-op">,</tt><tt class="py-param">cols</tt><tt class="py-op">,</tt><tt class="py-param">rows</tt><tt class="py-op">,</tt><tt class="py-param">datatype</tt><tt class="py-op">,</tt><tt class="py-param">nbits</tt><tt class="py-op">,</tt><tt class="py-param">nodata</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">headeroffset</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-param">byteorder</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">relativeToVRT</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateBIPRawRasterVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateBIPRawRasterVRT-expanded"><a name="L623"></a><tt class="py-lineno">623</tt>  <tt class="py-line">    <tt class="py-docstring">'''Create RawRaster VRT from BIP</tt> </tt>
<a name="L624"></a><tt class="py-lineno">624</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L625"></a><tt class="py-lineno">625</tt>  <tt class="py-line"><tt class="py-docstring">        BIP = Band-Interleaved-by-Pixel or Pixel-Interleaved</tt> </tt>
<a name="L626"></a><tt class="py-lineno">626</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L627"></a><tt class="py-lineno">627</tt>  <tt class="py-line"><tt class="py-docstring">        For further info on VRT's, see the U{GDAL VRT Tutorial&lt;http://www.gdal.org/gdal_vrttut.html&gt;}</tt> </tt>
<a name="L628"></a><tt class="py-lineno">628</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L629"></a><tt class="py-lineno">629</tt>  <tt class="py-line"><tt class="py-docstring">        @type filename:       C{str}</tt> </tt>
<a name="L630"></a><tt class="py-lineno">630</tt>  <tt class="py-line"><tt class="py-docstring">        @param filename:      File name</tt> </tt>
<a name="L631"></a><tt class="py-lineno">631</tt>  <tt class="py-line"><tt class="py-docstring">        @type nbands:         C{int}</tt> </tt>
<a name="L632"></a><tt class="py-lineno">632</tt>  <tt class="py-line"><tt class="py-docstring">        @param nbands:        The number of bands in the output VRT (&lt;= nbands in input file)</tt> </tt>
<a name="L633"></a><tt class="py-lineno">633</tt>  <tt class="py-line"><tt class="py-docstring">        @type cols:           C{int}</tt> </tt>
<a name="L634"></a><tt class="py-lineno">634</tt>  <tt class="py-line"><tt class="py-docstring">        @param cols:          The number of columns in the output VRT</tt> </tt>
<a name="L635"></a><tt class="py-lineno">635</tt>  <tt class="py-line"><tt class="py-docstring">        @type rows:           C{int}</tt> </tt>
<a name="L636"></a><tt class="py-lineno">636</tt>  <tt class="py-line"><tt class="py-docstring">        @param rows:          The number of rows in the output VRT</tt> </tt>
<a name="L637"></a><tt class="py-lineno">637</tt>  <tt class="py-line"><tt class="py-docstring">        @type datatype:       C{str}</tt> </tt>
<a name="L638"></a><tt class="py-lineno">638</tt>  <tt class="py-line"><tt class="py-docstring">        @param datatype:      GDAL datatype name. Eg. Byte, Int32, UInt16</tt> </tt>
<a name="L639"></a><tt class="py-lineno">639</tt>  <tt class="py-line"><tt class="py-docstring">        @type nodata:         C{float}</tt> </tt>
<a name="L640"></a><tt class="py-lineno">640</tt>  <tt class="py-line"><tt class="py-docstring">        @param nodata:        No data/Null value</tt> </tt>
<a name="L641"></a><tt class="py-lineno">641</tt>  <tt class="py-line"><tt class="py-docstring">        @type headeroffset:   C{int}</tt> </tt>
<a name="L642"></a><tt class="py-lineno">642</tt>  <tt class="py-line"><tt class="py-docstring">        @param headeroffset:  Number of bytes to skip at the start of the file</tt> </tt>
<a name="L643"></a><tt class="py-lineno">643</tt>  <tt class="py-line"><tt class="py-docstring">        @type byteorder:      C{str}</tt> </tt>
<a name="L644"></a><tt class="py-lineno">644</tt>  <tt class="py-line"><tt class="py-docstring">        @param byteorder:     Byte order of the file (MSB or LSB)</tt> </tt>
<a name="L645"></a><tt class="py-lineno">645</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L646"></a><tt class="py-lineno">646</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype:               C{xml}</tt> </tt>
<a name="L647"></a><tt class="py-lineno">647</tt>  <tt class="py-line"><tt class="py-docstring">        @return:              VRT XML string</tt> </tt>
<a name="L648"></a><tt class="py-lineno">648</tt>  <tt class="py-line"><tt class="py-docstring">    '''</tt> </tt>
<a name="L649"></a><tt class="py-lineno">649</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L650"></a><tt class="py-lineno">650</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L651"></a><tt class="py-lineno">651</tt>  <tt class="py-line">        <tt class="py-name">nbits</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeSize</tt><tt class="py-op">(</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetDataTypeByName</tt><tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L652"></a><tt class="py-lineno">652</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">nbands</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L653"></a><tt class="py-lineno">653</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;VRTRasterBand dataType="%s" band="%s" subClass="VRTRawRasterBand"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">datatype</tt><tt class="py-op">,</tt> <tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L654"></a><tt class="py-lineno">654</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;SourceFilename relativeToVRT="%s"&gt;%s&lt;/SourceFilename&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">relativeToVRT</tt><tt class="py-op">,</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L655"></a><tt class="py-lineno">655</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;NoDataValue&gt;%s&lt;/NoDataValue&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-name">nodata</tt><tt class="py-op">)</tt> </tt>
<a name="L656"></a><tt class="py-lineno">656</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ImageOffset&gt;%s&lt;/ImageOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">headeroffset</tt><tt class="py-op">+</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">*</tt><tt class="py-name">i</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L657"></a><tt class="py-lineno">657</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;PixelOffset&gt;%s&lt;/PixelOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L658"></a><tt class="py-lineno">658</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;LineOffset&gt;%s&lt;/LineOffset&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">nbits</tt><tt class="py-op">/</tt><tt class="py-number">8</tt> <tt class="py-op">*</tt> <tt class="py-name">cols</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L659"></a><tt class="py-lineno">659</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">byteorder</tt><tt class="py-op">:</tt><tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'    &lt;ByteOrder&gt;%s&lt;/ByteOrder&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">byteorder</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L660"></a><tt class="py-lineno">660</tt>  <tt class="py-line">            <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'  &lt;/VRTRasterBand&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L661"></a><tt class="py-lineno">661</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-51" class="py-name"><a title="geometry.CreateCustomVRT" class="py-name" href="#" onclick="return doclink('link-51', 'CreateCustomVRT', 'link-46');">CreateCustomVRT</a></tt><tt class="py-op">(</tt><tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt><tt class="py-op">,</tt><tt class="py-name">cols</tt><tt class="py-op">,</tt><tt class="py-name">rows</tt><tt class="py-op">)</tt> </tt>
<a name="L662"></a><tt class="py-lineno">662</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L663"></a><tt class="py-lineno">663</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L664"></a><tt class="py-lineno">664</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
</div><a name="L665"></a><tt class="py-lineno">665</tt>  <tt class="py-line"> </tt>
<a name="CreateCustomVRT"></a><div id="CreateCustomVRT-def"><a name="L666"></a><tt class="py-lineno">666</tt> <a class="py-toggle" href="#" id="CreateCustomVRT-toggle" onclick="return toggle('CreateCustomVRT');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry-module.html#CreateCustomVRT">CreateCustomVRT</a><tt class="py-op">(</tt><tt class="py-param">vrtxml</tt><tt class="py-op">,</tt><tt class="py-param">vrtcols</tt><tt class="py-op">,</tt><tt class="py-param">vrtrows</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CreateCustomVRT-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CreateCustomVRT-expanded"><a name="L667"></a><tt class="py-lineno">667</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L668"></a><tt class="py-lineno">668</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L669"></a><tt class="py-lineno">669</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;VRTDataset rasterXSize="%s" rasterYSize="%s"&gt;'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">vrtcols</tt><tt class="py-op">,</tt><tt class="py-name">vrtrows</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L670"></a><tt class="py-lineno">670</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'%s'</tt> <tt class="py-op">%</tt> <tt class="py-name">vrtxml</tt><tt class="py-op">)</tt> </tt>
<a name="L671"></a><tt class="py-lineno">671</tt>  <tt class="py-line">        <tt class="py-name">vrt</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-string">'&lt;/VRTDataset&gt;'</tt><tt class="py-op">)</tt> </tt>
<a name="L672"></a><tt class="py-lineno">672</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-string">'\n'</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">vrt</tt><tt class="py-op">)</tt> </tt>
<a name="L673"></a><tt class="py-lineno">673</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L674"></a><tt class="py-lineno">674</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
</div><a name="L675"></a><tt class="py-lineno">675</tt>  <tt class="py-line">     </tt>
<a name="L676"></a><tt class="py-lineno">676</tt>  <tt class="py-line"> </tt>
<a name="L677"></a><tt class="py-lineno">677</tt>  <tt class="py-line"><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="L678"></a><tt class="py-lineno">678</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#{Shapefile Writer</tt> </tt>
<a name="L679"></a><tt class="py-lineno">679</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#========================================================================================================</tt> </tt>
<a name="ShapeWriter"></a><div id="ShapeWriter-def"><a name="L680"></a><tt class="py-lineno">680</tt> <a class="py-toggle" href="#" id="ShapeWriter-toggle" onclick="return toggle('ShapeWriter');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">class</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html">ShapeWriter</a><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ShapeWriter-expanded"><a name="L681"></a><tt class="py-lineno">681</tt>  <tt class="py-line">    <tt class="py-docstring">'''A class for writing geometry and fields to ESRI shapefile format'''</tt> </tt>
<a name="ShapeWriter.__init__"></a><div id="ShapeWriter.__init__-def"><a name="L682"></a><tt class="py-lineno">682</tt> <a class="py-toggle" href="#" id="ShapeWriter.__init__-toggle" onclick="return toggle('ShapeWriter.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">shapefile</tt><tt class="py-op">,</tt><tt class="py-param">fields</tt><tt class="py-op">,</tt><tt class="py-param">srs_wkt</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">,</tt><tt class="py-param">overwrite</tt><tt class="py-op">=</tt><tt class="py-name">True</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__init__-expanded"><a name="L683"></a><tt class="py-lineno">683</tt>  <tt class="py-line">        <tt class="py-docstring">'''Open the shapefile for writing or appending.</tt> </tt>
<a name="L684"></a><tt class="py-lineno">684</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L685"></a><tt class="py-lineno">685</tt>  <tt class="py-line"><tt class="py-docstring">            @type shapefile:  C{gdal.Dataset}</tt> </tt>
<a name="L686"></a><tt class="py-lineno">686</tt>  <tt class="py-line"><tt class="py-docstring">            @param shapefile: Dataset object</tt> </tt>
<a name="L687"></a><tt class="py-lineno">687</tt>  <tt class="py-line"><tt class="py-docstring">            @type fields:     C{dict}</tt> </tt>
<a name="L688"></a><tt class="py-lineno">688</tt>  <tt class="py-line"><tt class="py-docstring">            @param fields:    L{Fields dict&lt;formats.fields&gt;}</tt> </tt>
<a name="L689"></a><tt class="py-lineno">689</tt>  <tt class="py-line"><tt class="py-docstring">            @type srs_wkt:    C{str}</tt> </tt>
<a name="L690"></a><tt class="py-lineno">690</tt>  <tt class="py-line"><tt class="py-docstring">            @param srs_wkt:   Spatial reference system WKT</tt> </tt>
<a name="L691"></a><tt class="py-lineno">691</tt>  <tt class="py-line"><tt class="py-docstring">            @type overwrite:  C{boolean}</tt> </tt>
<a name="L692"></a><tt class="py-lineno">692</tt>  <tt class="py-line"><tt class="py-docstring">            @param overwrite: Overwrite or append to shapefile</tt> </tt>
<a name="L693"></a><tt class="py-lineno">693</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt> </tt>
<a name="L694"></a><tt class="py-lineno">694</tt>  <tt class="py-line">        <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L695"></a><tt class="py-lineno">695</tt>  <tt class="py-line">        <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">UseExceptions</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L696"></a><tt class="py-lineno">696</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L697"></a><tt class="py-lineno">697</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L698"></a><tt class="py-lineno">698</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-52" class="py-name" targets="Variable formats.__fields__.fields=formats.__fields__-module.html#fields,Variable formats.fields=formats-module.html#fields"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-52', 'fields', 'link-52');">fields</a></tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L699"></a><tt class="py-lineno">699</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">srs_wkt</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromWkt</tt><tt class="py-op">(</tt><tt class="py-name">srs_wkt</tt><tt class="py-op">)</tt> </tt>
<a name="L700"></a><tt class="py-lineno">700</tt>  <tt class="py-line">            <tt class="py-keyword">else</tt><tt class="py-op">:</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromEPSG</tt><tt class="py-op">(</tt><tt class="py-number">4283</tt><tt class="py-op">)</tt> <tt class="py-comment">#default=GDA94 Geographic</tt> </tt>
<a name="L701"></a><tt class="py-lineno">701</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-53" class="py-name" targets="Method geometry.ShapeWriter.__openshapefile__()=geometry.ShapeWriter-class.html#__openshapefile__"><a title="geometry.ShapeWriter.__openshapefile__" class="py-name" href="#" onclick="return doclink('link-53', '__openshapefile__', 'link-53');">__openshapefile__</a></tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">,</tt><tt id="link-54" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-54', 'fields', 'link-52');">fields</a></tt><tt class="py-op">,</tt><tt class="py-name">overwrite</tt><tt class="py-op">)</tt> </tt>
<a name="L702"></a><tt class="py-lineno">702</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L703"></a><tt class="py-lineno">703</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-55" class="py-name" targets="Method geometry.ShapeWriter.__error__()=geometry.ShapeWriter-class.html#__error__"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-55', '__error__', 'link-55');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
<a name="L704"></a><tt class="py-lineno">704</tt>  <tt class="py-line">        <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">DontUseExceptions</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="ShapeWriter.__del__"></a><div id="ShapeWriter.__del__-def"><a name="L705"></a><tt class="py-lineno">705</tt> <a class="py-toggle" href="#" id="ShapeWriter.__del__-toggle" onclick="return toggle('ShapeWriter.__del__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__del__">__del__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__del__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__del__-expanded"><a name="L706"></a><tt class="py-lineno">706</tt>  <tt class="py-line">        <tt class="py-docstring">'''Shutdown and release the lock on the shapefile'''</tt> </tt>
<a name="L707"></a><tt class="py-lineno">707</tt>  <tt class="py-line">        <tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L708"></a><tt class="py-lineno">708</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">.</tt><tt class="py-name">Release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L709"></a><tt class="py-lineno">709</tt>  <tt class="py-line"> </tt>
<a name="ShapeWriter.__error__"></a><div id="ShapeWriter.__error__-def"><a name="L710"></a><tt class="py-lineno">710</tt> <a class="py-toggle" href="#" id="ShapeWriter.__error__-toggle" onclick="return toggle('ShapeWriter.__error__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__error__">__error__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">err</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__error__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__error__-expanded"><a name="L711"></a><tt class="py-lineno">711</tt>  <tt class="py-line">        <tt class="py-name">gdalerr</tt><tt class="py-op">=</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">GetLastErrorMsg</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">;</tt><tt class="py-name">gdal</tt><tt class="py-op">.</tt><tt class="py-name">ErrorReset</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L712"></a><tt class="py-lineno">712</tt>  <tt class="py-line">        <tt class="py-name">errmsg</tt> <tt class="py-op">=</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
<a name="L713"></a><tt class="py-lineno">713</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">gdalerr</tt><tt class="py-op">:</tt><tt class="py-name">errmsg</tt> <tt class="py-op">+=</tt> <tt class="py-string">'\n%s'</tt> <tt class="py-op">%</tt> <tt class="py-name">gdalerr</tt> </tt>
<a name="L714"></a><tt class="py-lineno">714</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">err</tt><tt class="py-op">.</tt><tt class="py-name">__class__</tt><tt class="py-op">,</tt> <tt class="py-name">errmsg</tt> </tt>
</div><a name="L715"></a><tt class="py-lineno">715</tt>  <tt class="py-line">         </tt>
<a name="ShapeWriter.WriteRecord"></a><div id="ShapeWriter.WriteRecord-def"><a name="L716"></a><tt class="py-lineno">716</tt> <a class="py-toggle" href="#" id="ShapeWriter.WriteRecord-toggle" onclick="return toggle('ShapeWriter.WriteRecord');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#WriteRecord">WriteRecord</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt><tt class="py-param">extent</tt><tt class="py-op">,</tt><tt class="py-param">attributes</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.WriteRecord-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.WriteRecord-expanded"><a name="L717"></a><tt class="py-lineno">717</tt>  <tt class="py-line">        <tt class="py-docstring">'''Write record</tt> </tt>
<a name="L718"></a><tt class="py-lineno">718</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L719"></a><tt class="py-lineno">719</tt>  <tt class="py-line"><tt class="py-docstring">            @type extent:      C{list}</tt> </tt>
<a name="L720"></a><tt class="py-lineno">720</tt>  <tt class="py-line"><tt class="py-docstring">            @param extent:     [[ulx,uly],[urx,ury],[lrx,lry],[llx,lly]]</tt> </tt>
<a name="L721"></a><tt class="py-lineno">721</tt>  <tt class="py-line"><tt class="py-docstring">            @type attributes:  C{dict}</tt> </tt>
<a name="L722"></a><tt class="py-lineno">722</tt>  <tt class="py-line"><tt class="py-docstring">            @param attributes: Must match field names passed to __init__()</tt> </tt>
<a name="L723"></a><tt class="py-lineno">723</tt>  <tt class="py-line"><tt class="py-docstring">        '''</tt>         </tt>
<a name="L724"></a><tt class="py-lineno">724</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L725"></a><tt class="py-lineno">725</tt>  <tt class="py-line">            <tt class="py-name">geom</tt><tt class="py-op">=</tt><tt id="link-56" class="py-name" targets="Function geometry.GeomFromExtent()=geometry-module.html#GeomFromExtent"><a title="geometry.GeomFromExtent" class="py-name" href="#" onclick="return doclink('link-56', 'GeomFromExtent', 'link-56');">GeomFromExtent</a></tt><tt class="py-op">(</tt><tt id="link-57" class="py-name"><a title="formats.__dataset__.Dataset.extent" class="py-name" href="#" onclick="return doclink('link-57', 'extent', 'link-5');">extent</a></tt><tt class="py-op">,</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L726"></a><tt class="py-lineno">726</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">.</tt><tt class="py-name">IsGeographic</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#basic coordinate bounds test. Can't do for projected though</tt> </tt>
<a name="L727"></a><tt class="py-lineno">727</tt>  <tt class="py-line">                <tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">osr</tt><tt class="py-op">.</tt><tt class="py-name">SpatialReference</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L728"></a><tt class="py-lineno">728</tt>  <tt class="py-line">                <tt class="py-name">srs</tt><tt class="py-op">.</tt><tt class="py-name">ImportFromEPSG</tt><tt class="py-op">(</tt><tt class="py-number">4283</tt><tt class="py-op">)</tt><tt class="py-comment">#4326)</tt> </tt>
<a name="L729"></a><tt class="py-lineno">729</tt>  <tt class="py-line">                <tt class="py-name">valid</tt> <tt class="py-op">=</tt> <tt id="link-58" class="py-name"><a title="geometry.GeomFromExtent" class="py-name" href="#" onclick="return doclink('link-58', 'GeomFromExtent', 'link-56');">GeomFromExtent</a></tt><tt class="py-op">(</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">180</tt><tt class="py-op">,</tt><tt class="py-op">-</tt><tt class="py-number">90</tt><tt class="py-op">,</tt><tt class="py-number">180</tt><tt class="py-op">,</tt><tt class="py-number">90</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">srs</tt><tt class="py-op">)</tt> </tt>
<a name="L730"></a><tt class="py-lineno">730</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">valid</tt><tt class="py-op">.</tt><tt class="py-name">Contains</tt><tt class="py-op">(</tt><tt class="py-name">geom</tt><tt class="py-op">)</tt><tt class="py-op">:</tt>  </tt>
<a name="L731"></a><tt class="py-lineno">731</tt>  <tt class="py-line">                    <tt class="py-comment">#raise ValueError, 'Invalid extent coordinates'</tt> </tt>
<a name="L732"></a><tt class="py-lineno">732</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-name">warnings</tt><tt class="py-op">.</tt><tt class="py-name">warn</tt><tt class="py-op">(</tt><tt class="py-string">'Invalid extent coordinates'</tt><tt class="py-op">)</tt> </tt>
<a name="L733"></a><tt class="py-lineno">733</tt>  <tt class="py-line"> </tt>
<a name="L734"></a><tt class="py-lineno">734</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_shape</tt><tt class="py-op">.</tt><tt class="py-name">GetLayer</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L735"></a><tt class="py-lineno">735</tt>  <tt class="py-line">             </tt>
<a name="L736"></a><tt class="py-lineno">736</tt>  <tt class="py-line">            <tt class="py-name">feat</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">Feature</tt><tt class="py-op">(</tt><tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">GetLayerDefn</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L737"></a><tt class="py-lineno">737</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">attributes</tt><tt class="py-op">:</tt> </tt>
<a name="L738"></a><tt class="py-lineno">738</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-59" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-59', 'fields', 'link-52');">fields</a></tt><tt class="py-op">:</tt><tt class="py-name">feat</tt><tt class="py-op">.</tt><tt class="py-name">SetField</tt><tt class="py-op">(</tt><tt class="py-name">a</tt><tt class="py-op">,</tt> <tt class="py-name">attributes</tt><tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L739"></a><tt class="py-lineno">739</tt>  <tt class="py-line">            <tt class="py-name">feat</tt><tt class="py-op">.</tt><tt class="py-name">SetGeometryDirectly</tt><tt class="py-op">(</tt><tt class="py-name">geom</tt><tt class="py-op">)</tt> </tt>
<a name="L740"></a><tt class="py-lineno">740</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateFeature</tt><tt class="py-op">(</tt><tt class="py-name">feat</tt><tt class="py-op">)</tt> </tt>
<a name="L741"></a><tt class="py-lineno">741</tt>  <tt class="py-line"> </tt>
<a name="L742"></a><tt class="py-lineno">742</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L743"></a><tt class="py-lineno">743</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-60" class="py-name"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-60', '__error__', 'link-55');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
</div><a name="L744"></a><tt class="py-lineno">744</tt>  <tt class="py-line"> </tt>
<a name="ShapeWriter.__openshapefile__"></a><div id="ShapeWriter.__openshapefile__-def"><a name="L745"></a><tt class="py-lineno">745</tt> <a class="py-toggle" href="#" id="ShapeWriter.__openshapefile__-toggle" onclick="return toggle('ShapeWriter.__openshapefile__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="geometry.ShapeWriter-class.html#__openshapefile__">__openshapefile__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">shapefile</tt><tt class="py-op">,</tt><tt class="py-param">fields</tt><tt class="py-op">,</tt><tt class="py-param">overwrite</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ShapeWriter.__openshapefile__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="ShapeWriter.__openshapefile__-expanded"><a name="L746"></a><tt class="py-lineno">746</tt>  <tt class="py-line">        <tt class="py-docstring">'''Open the shapefile for writing or appending'''</tt> </tt>
<a name="L747"></a><tt class="py-lineno">747</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L748"></a><tt class="py-lineno">748</tt>  <tt class="py-line">            <tt class="py-name">driver</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">GetDriverByName</tt><tt class="py-op">(</tt><tt class="py-string">'ESRI Shapefile'</tt><tt class="py-op">)</tt> </tt>
<a name="L749"></a><tt class="py-lineno">749</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt id="link-61" class="py-name" targets="Function utilities.exists()=utilities-module.html#exists"><a title="utilities.exists" class="py-name" href="#" onclick="return doclink('link-61', 'exists', 'link-61');">exists</a></tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L750"></a><tt class="py-lineno">750</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">overwrite</tt><tt class="py-op">:</tt> </tt>
<a name="L751"></a><tt class="py-lineno">751</tt>  <tt class="py-line">                    <tt class="py-name">driver</tt><tt class="py-op">.</tt><tt class="py-name">DeleteDataSource</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt> </tt>
<a name="L752"></a><tt class="py-lineno">752</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L753"></a><tt class="py-lineno">753</tt>  <tt class="py-line">                    <tt class="py-name">shp</tt><tt class="py-op">=</tt><tt class="py-name">driver</tt><tt class="py-op">.</tt><tt id="link-62" class="py-name"><a title="formats.Open" class="py-name" href="#" onclick="return doclink('link-62', 'Open', 'link-2');">Open</a></tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">,</tt><tt id="link-63" class="py-name" targets="Method progresslogger.ProgressBarView.update()=progresslogger.ProgressBarView-class.html#update"><a title="progresslogger.ProgressBarView.update" class="py-name" href="#" onclick="return doclink('link-63', 'update', 'link-63');">update</a></tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L754"></a><tt class="py-lineno">754</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">shp</tt><tt class="py-op">.</tt><tt class="py-name">GetLayer</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L755"></a><tt class="py-lineno">755</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">=</tt><tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">GetSpatialRef</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L756"></a><tt class="py-lineno">756</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">shp</tt> </tt>
<a name="L757"></a><tt class="py-lineno">757</tt>  <tt class="py-line"> </tt>
<a name="L758"></a><tt class="py-lineno">758</tt>  <tt class="py-line">            <tt class="py-name">shp</tt> <tt class="py-op">=</tt> <tt class="py-name">driver</tt><tt class="py-op">.</tt><tt class="py-name">CreateDataSource</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt> </tt>
<a name="L759"></a><tt class="py-lineno">759</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt><tt class="py-op">=</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">splitext</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-name">shapefile</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L760"></a><tt class="py-lineno">760</tt>  <tt class="py-line">            <tt class="py-name">lyr</tt> <tt class="py-op">=</tt> <tt class="py-name">shp</tt><tt class="py-op">.</tt><tt class="py-name">CreateLayer</tt><tt class="py-op">(</tt><tt class="py-name">lyr</tt><tt class="py-op">,</tt><tt class="py-name">geom_type</tt><tt class="py-op">=</tt><tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">wkbPolygon</tt><tt class="py-op">,</tt><tt class="py-name">srs</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">_srs</tt><tt class="py-op">)</tt> </tt>
<a name="L761"></a><tt class="py-lineno">761</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">f</tt> <tt class="py-keyword">in</tt> <tt id="link-64" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-64', 'fields', 'link-52');">fields</a></tt><tt class="py-op">:</tt> </tt>
<a name="L762"></a><tt class="py-lineno">762</tt>  <tt class="py-line">                <tt class="py-comment">#Get field types</tt> </tt>
<a name="L763"></a><tt class="py-lineno">763</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt id="link-65" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-65', 'fields', 'link-52');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-keyword">in</tt> <tt class="py-op">[</tt><tt class="py-name">list</tt><tt class="py-op">,</tt><tt class="py-name">tuple</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L764"></a><tt class="py-lineno">764</tt>  <tt class="py-line">                    <tt class="py-name">ftype</tt><tt class="py-op">=</tt><tt id="link-66" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-66', 'fields', 'link-52');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L765"></a><tt class="py-lineno">765</tt>  <tt class="py-line">                    <tt class="py-name">fwidth</tt><tt class="py-op">=</tt><tt id="link-67" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-67', 'fields', 'link-52');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L766"></a><tt class="py-lineno">766</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L767"></a><tt class="py-lineno">767</tt>  <tt class="py-line">                    <tt class="py-name">ftype</tt><tt class="py-op">=</tt><tt id="link-68" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-68', 'fields', 'link-52');">fields</a></tt><tt class="py-op">[</tt><tt class="py-name">f</tt><tt class="py-op">]</tt> </tt>
<a name="L768"></a><tt class="py-lineno">768</tt>  <tt class="py-line">                    <tt class="py-name">fwidth</tt><tt class="py-op">=</tt><tt class="py-number">0</tt> </tt>
<a name="L769"></a><tt class="py-lineno">769</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'STRING'</tt><tt class="py-op">:</tt> </tt>
<a name="L770"></a><tt class="py-lineno">770</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTString</tt><tt class="py-op">)</tt> </tt>
<a name="L771"></a><tt class="py-lineno">771</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt><tt class="py-op">.</tt><tt class="py-name">SetWidth</tt><tt class="py-op">(</tt><tt class="py-name">fwidth</tt><tt class="py-op">)</tt> </tt>
<a name="L772"></a><tt class="py-lineno">772</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L773"></a><tt class="py-lineno">773</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-69" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-69', 'fields', 'link-52');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L774"></a><tt class="py-lineno">774</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'INT'</tt><tt class="py-op">:</tt> </tt>
<a name="L775"></a><tt class="py-lineno">775</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTInteger</tt><tt class="py-op">)</tt> </tt>
<a name="L776"></a><tt class="py-lineno">776</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L777"></a><tt class="py-lineno">777</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-70" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-70', 'fields', 'link-52');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L778"></a><tt class="py-lineno">778</tt>  <tt class="py-line">                <tt class="py-keyword">elif</tt> <tt class="py-name">ftype</tt><tt class="py-op">.</tt><tt class="py-name">upper</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">==</tt><tt class="py-string">'FLOAT'</tt><tt class="py-op">:</tt> </tt>
<a name="L779"></a><tt class="py-lineno">779</tt>  <tt class="py-line">                    <tt class="py-name">fld</tt> <tt class="py-op">=</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">FieldDefn</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">ogr</tt><tt class="py-op">.</tt><tt class="py-name">OFTReal</tt><tt class="py-op">)</tt> </tt>
<a name="L780"></a><tt class="py-lineno">780</tt>  <tt class="py-line">                    <tt class="py-name">lyr</tt><tt class="py-op">.</tt><tt class="py-name">CreateField</tt><tt class="py-op">(</tt><tt class="py-name">fld</tt><tt class="py-op">)</tt> </tt>
<a name="L781"></a><tt class="py-lineno">781</tt>  <tt class="py-line">                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-71" class="py-name"><a title="formats.__fields__.fields
formats.fields" class="py-name" href="#" onclick="return doclink('link-71', 'fields', 'link-52');">fields</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">)</tt> </tt>
<a name="L782"></a><tt class="py-lineno">782</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt><tt class="py-keyword">pass</tt> </tt>
<a name="L783"></a><tt class="py-lineno">783</tt>  <tt class="py-line">                    <tt class="py-comment">#raise AttributeError, 'Invalid field definition'</tt> </tt>
<a name="L784"></a><tt class="py-lineno">784</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L785"></a><tt class="py-lineno">785</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">shp</tt> </tt>
<a name="L786"></a><tt class="py-lineno">786</tt>  <tt class="py-line"> </tt>
<a name="L787"></a><tt class="py-lineno">787</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">err</tt><tt class="py-op">:</tt> </tt>
<a name="L788"></a><tt class="py-lineno">788</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-72" class="py-name"><a title="geometry.ShapeWriter.__error__" class="py-name" href="#" onclick="return doclink('link-72', '__error__', 'link-55');">__error__</a></tt><tt class="py-op">(</tt><tt class="py-name">err</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L789"></a><tt class="py-lineno">789</tt>  <tt class="py-line"><tt class="py-comment">#}</tt> </tt>
<a name="L790"></a><tt class="py-lineno">790</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt><script type="text/javascript">
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